/**
 * Check if an element has a class
 * @param {HTMLElement} ele
 * @param {string} cls
 * @returns {boolean}
 */
export function hasClass(ele: HTMLElement, cls: string) {
    return !!ele.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'))
  }
  
  /**
   * Add class to element
   * @param {HTMLElement} ele
   * @param {string} cls
   */
  export function addClass(ele: HTMLElement, cls: string) {
    if (!hasClass(ele, cls)) ele.className += ' ' + cls
  }
  
  /**
   * Remove class from element
   * @param {HTMLElement} ele
   * @param {string} cls
   */
  export function removeClass(ele: HTMLElement, cls: string) {
    if (hasClass(ele, cls)) {
      const reg = new RegExp('(\\s|^)' + cls + '(\\s|$)')
      ele.className = ele.className.replace(reg, ' ')
    }
  }
  
  /**
   * @param {string} path
   * @returns {Boolean}
   */
  export function isExternal(path: string) {
    const isExternal = /^(https?:|http?:|mailto:|tel:)/.test(path)
    return isExternal
  }
  